PTS IPA KELAS 9 SMT 2
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Marlia Utami
Used 7+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sifat-sifat magnet berikut yang tidak benar adalah ....
kutub-kutub magnet yang tidak sejenis tarik-menarik
gaya magnetik terbesar terletak di tengah-tengah magnet
kutub-kutub magnet yang sejenis tolak-menolak
kutub-kutub magnet terletak di ujung-ujung magnet
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cara membuat magnet seperti dalam gambar secara urut adalah ....
menggosok, induksi, elektromagnet
elektromagnet, induksi, menggosok
induksi, menggosok, elektromagnet
menggosok, elektromagnet, induksi
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Perhatikan gambar!
Jika C kutub utara, B dengan C tolak-menolak, D dengan E tarik-menarik. Maka jenis kutub magnet pada A dan F adalah ....
A kutub utara, F kutub utara
A kutub selatan, F kutub utara
A kutub utara, F kutub selatan
A kutub selatan, F kutub selatan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kutub magnet batang dalam keadaan bebas selalu menunjuk ke arah utara dan selatan bumi karena ….
letak kutub magnet bumi berada di kutub utara bumi
letak kutub selatan magnet bumi berada di sekitar kutub utara bumi
letak kutub utara magnet bumi berada di sekitar kutub utara bumi
letak kutub bumi berada di kutub magnet bumi
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Penghantar dengan panjang 60 cm berada dalam medan magnet 200 tesla. Jika penghantar tersebut dialiri arus listrik 100 miliampere, besar gaya Lorentz yang timbul adalah ....
9 N
12 N
600 N
120.000 N
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah transformator step-down menghasilkan beda potensial 120 volt. Transformator tersebut dihubungkan dengan sumber tegangan 6.000 volt. Jika arus yang mengalir pada kumparan primer 300 miliampere, arus listrik yang mengalir pada kumparan sekunder adalah ....
7,5 A
15 A
150 A
7.500 A
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sebuah transformator memiliki daya primer sebesar 4.800 watt. Jika tegangan sekunder sebesar 1.200 volt dan kuat arus sekunder 4 ampere, efisiensi transformator tersebut adalah ....
22,5 %
87,5 %
97, 5 %
100%
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